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TIL from 1979 to 1992, Soviets drilled a super deep bore (Kola Superdeep Borehole) that reached 40,230 ft, just to see how deep they could drill.

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Submitted April 02, 2020 at 03:02PM by VladimirVartanian https://ift.tt/2UWoi0l
TIL from 1979 to 1992, Soviets drilled a super deep bore (Kola Superdeep Borehole) that reached 40,230 ft, just to see how deep they could drill. TIL from 1979 to 1992, Soviets drilled a super deep bore (Kola Superdeep Borehole) that reached 40,230 ft, just to see how deep they could drill. Reviewed by M. Amaar Tahir on 5:56 PM Rating: 5

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